Home / 13,967.30-20,950.97-5,200.18

Finding the Fourth Proportional to 13,967.30, 20,950.97 and 5,200.18

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Solution

The fourth proportional to 13,967.30, 20,950.97 and 5,200.18 is: 7,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.30 : 20,950.97 = 5,200.18 : x
  2. Step 2: Convert to fraction form
    13,967.30/20,950.97 = 5,200.18/x
  3. Step 3: Cross multiply
    13,967.30x = 20,950.97 × 5,200.18
  4. Step 4: Simplify right side
    13,967.30x = 108,948,736.80
  5. Step 5: Solve for x
    x = 108,948,736.80/13,967.30
  6. Step 6: Final answer
    x = 7,800.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.